Software Development Forum

The contents of the array are safe within the function, however, upon returning to main the data becomes garbled. section of main: [code=c++] unsigned short tcp_port = atoi("8080"); const char* workDir = "WhatInthe?"; // Parse command line arguments if ( parseCmdArg( tcp_port, workDir, argc, argv) == 1) return 1; cout …

Hi, may anybody tell me why there is a init AND a new-method? Why not using one constructor-method like we have to use in java and other OO-lanuages?? Would be nice if somebody can give me an idea about that. Thanks a lot Jonny

Hi, i have a little problem, i dynamic generate a buttons in two columns [CODE=c#] for(i=0;i<=10;i++){ Button prz = new Button(); prz.Location = new Point(12,40+i*25); prz.Name = "But"+(p-i)+"up"; prz.Image = Image.FromFile(picture_from_file_1); prz.ClientSize = new Size(20,20); prz.Click += new System.EventHandler(this.Button_Click_Code); Controls.Add(prz); Button prz1 = new Button(); prz1.Location = new Point(45, 40 …

[B]Description[/B] I want to have a video conference system. [LIST=1] [*]That is the client-server model. [*]The client can send audio/video/document(like ppt.doc.xls..)/application sharing/chat functions. [*]The client's window can receive 16 videos(from other clients). [*]The client can work on windows platform. [*]The server can work on windows or linux(it's better). [*]The video …

Hey guys! I guess my other post wasn't so clear...probably because I wasn't sure what exactly I was trying to do. Anyway, right now I am having problems reading my input file into my 20x20 2D array. I mean, it compiles fine. But, I have a print function just to …

Hello, I am having a problem. The task I have been given is to implement a queue using a linked list. One of the functions of the program is it accept input from the user and write this to a file. The program, thus far, accepts the information, but prints …

This is the answer for one of the simple function question from my programming lab... [CODE]#include <iostream> using namespace std; void displayHi(); int main(void) { displayHi(); } void displayHi() { cout<<"I love c++"; } [/CODE] but what i dont understand is why we should put [B] main(void)[/B]?? why dont simply …

I'm having trouble understanding how to write a function call. This is what I have so far: [CODE]#include <ionstream> using namespace std ; int binomial(int n, int k) ; // function prototype int main () { int n, k ; // parameters for the binomial number int result ; cout …

I have to prgrams and thus, two question to ask. In the following program how does the line [COLOR="Red"]status = staticmethod(status)[/COLOR] do anything? My python programming book somehow connects it to the line [COLOR="Red"]Critter.total +=[/COLOR] 1 but I don't see how? Please explain. [CODE]# Classy Critter # Demonstrates class attributes …

Dear All I am trying to create a list of characters already given as below. When I compile it it gives me following errors. In function `int main()': 17: error: `islowerCase' undeclared (first use this function) 17: error: (Each undeclared identifier is reported only once for each function it appears …

Hi, In a terminal program I'm writing values are inputted and stored in a pair of arrays. At one point in the program I need to print them back out. My problem is that if I input 1.10, Java gives me 1.1. I really need it to print the zero …

i have a VB6 application using DAO and other reference libraries...so i used Package & Deployment wizard, so that it works on other machines as well...now my application size has increased from "79 KB" (my earlier exe + DB Files) to whooping "30 MB" (entire package). Please guide me how …

This must be a frequently asked question, but I can't find the answer in the FAQ, or in the recent archive of this list, or by using google with the keywords I thought of. I would like to use libavcodec.dll and libavformat.dll in my Windows XP Visual C++ 2008 project. …

i recently found that variables set in a function cannot be used in another function. so to make variables 'universal' i have to make them global variables? and you do that buy stating them global, like this? [CODE]global [VARIABLE NAME]=[VALUE][/CODE] i have a feeling there is more to it.

HI.... I'm doing this question... [B]Question Using a non-void function with parameters, write a complete C++ program that prompts the user for the Cartesian coordinates of two points (x1, y1) and (x2, y2) and displays the distance between them computed using the formula: distance = sqrt( (x1-x2)^2) + ((y1-y2)^2)... [/B] …

is there a command or fuction in python that deals with email? like: [CODE]email(ibmceo@ibm.com, 'Hello, my name is Bill. How are you doing at IBM?', email.cc(),attach("C:\123321.txt"))[/CODE] :D

I made a function SetRegistry() to write a string in the registry like this: [CODE] void SetRegistry() { HKEY hKey; RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Run"),0,KEY_SET_VALUE,&hKey); RegSetValueEx(hKey, TEXT("filenamehere"),0,REG_SZ,(LPBYTE) "C:\\Windows\\filenamehere.exe",sizeof("C:\\Windows\\filenamehere.exe"); RegCloseKey(hKey); } [/CODE] NOTE: C:\\Windows\\ is the path where the .exe file I want to add is. it sets the string with the filename and …

Hello everyone: I am a C++ newbie; I am interesting in using C++ in my work on coupled fluid flow-chemical reaction problems. I apologize in advance for what is probably a very simple question. I would very much appreciate some help to get me on the right track! My goal …

I Want transfer updated data between 2 Database MySQL that One of them is in the server Host and other is over localhost . Now What should I do? I'm waiting for your answer

Hi! I put this simple, I got an assignment that's following: [B]Write a function that return the amount of all integer from zero (0) to a number that was given as an argument.[/B] How do I do, I dont even understand the question? Thanks in advance! //Adam

Hi guys, I'm trying to find a way to read a chosen line from a text file. Like I want to read line 2 and then the program will find the second text line for me to read. Any tips? :)

Please tell me how can i access the cache in C++ code .... ???

Hi!! im doin a proyect that have to create a library, n create, delete an modificate books to the library. im using a listview to show all the books that r created, n should delete books that i deleted n if a modify one, should delete it n then upload …

Hi, I've wrote a C++ program on windows (client-server) using gcc with following commands: [code] SOCKET(...) bind(..) select(..) recv(..) send(..) close(..) [/code] 1- If I want to convert the application to use SSL3, what should I change? I need a general overview to get me started. 2- If I want …

I need help with the function but i have no clue how to?.. the function should generate a random number between 1 and 100 and then allow the user to guess the number. After each guess it should display if the guess is too high or low and if they …

Hi, I am struggling with a Layout problem. Here is the definition of the problem:- 1) I have a JFrame where I specify space alignment in GroupLayout for JScrollPane as per the other (JButton/ comboBox etc..). My JScrollPane contains a JTable. I use get and set methods to set scrollpane …

Dear members, I need to write a small loop to generate the following: 0 0 0 0 .... 0 1 1 1 .... 1 2 2 .... 2 3 .... 3 4 : 299 I think it needs a double loop but since i am still beginner in python i …

Hi everyone, I don't understand why this doesn't update my actual MS Access 2003 mdb file. During debug phase, I learned that it updates the dataset and creates new rows. But it doesn't reflect into the database. Why is it so? Please help me out. Thanks in advance.[code]else { //Auto …

Hello How i can find the source code of Treeview of c# .Net? tnx

Can someone help me figure out why nothing comes up on the output screen. The program compiles but the the output is blank. 1. Maintain information on all students. Each student has the following: 1st line - lastname, city of residence, student id, ssn 2nd line - course, course id, …

hi i used a scrollbar in my panel. but when i scrollup or down the panel flickered.

hi i am a fourth year computing major and i need some help with the following assignment. The program is to simulate the operation of one day's activity at an airport, and output the times waiting to land and take off for each BWIA flight. the program should include the …

I am trying to take a user's input and assign it to a certain part of a structure. This code is in my book so I assume it's correct: [code] scanf("%d", &part_number); inventory[num_parts].number = part_number; [/code] I need to do the same thing but with a string instead of a …

Whenever I am getting a line from a file by using the string getline() function, I seem to be getting an extra character. I am curious to know what exactly that character is. It recently caused me a bit of trouble trying to debug. Let's say the file is like …

Dear colleagues I am currently working on designing a scheduler using Borland C. I am struck with the concept of interrupts. I am trying clock tick interrupt for task switching. In all materials they say you will continue to your regular job until the interrupt occurs. I don't think it …

When I try to run my program( which is a test entity system for anyone who's wondering ), I get a Stack Overflow error, and I cannot find the source of this error. Here is my code: baseentity.h: [code=c++]#ifndef BASEENTITY_H #define BASEENTITY_H #include <vector> #define DECLARE_CLASS( className ) public: virtual …

Hi again! I've been working on this program and I am thankful for all the help and tips I've gotten from this forum. However, at the moment I can't seem to get this selection sort to work on my array. I've tried it 3 different ways(will post code below) and …

So, I have a script that needs to "clean up" when it is exited: it needs to clear a special logging file and other small things that affect the next startup of the script. The script has a GUI written in Tkinter, if that is relevant at all. Is there …

I'm testing this program for: x^2 + 0.17714x -2.5147583 with k = 1.4997 I've been looking at this for hours and have worked through it on paper, but can't figure out why line 59 is calculating C[1] as 0.17714. C[1] should be 1.6768. Can anyone please help me figure this …

Hello all, I have been trying for a few days now and done quite a bit of reasearch on the internet and this website to find out how I can authenicate to a website. It could very well be that this particualar web server is picky I'm not to sure. …

Hello :) This is my first post on daniweb forum and I hope this site will help me improve. I'm a first year college student in computer science, and I've only recently started C++. This means that code posted by me might seem very lousy and /or unprofessional. I have …

this is a small example that, i hope reflects the larger project that i am working on. i am making a board game that uses a combination of mouse listener and jbutton action listener for the player to move. when it is time for the computer to take its turn, …

Hi everyone. I've got this code that I've been following along with a sample. However, whenever I debug it, I get the error 'XML Exception was unhandled: Root element is missing.' Here's the code I have so far. [code=c#] namespace SpiveyPropertyRental { public partial class Tenants : Form { public …

Hi , i have 2 txt files full of names , read line by line and compare. If name from first file exist in second , i don't write it to result file. My code work excelent with small files , but when i try big files (100 MB) , …

Hi, I am "googling" for the whole morning, but I am not able to find an HttpUtility.UrlPathEncode in C# Compact Framework - simply, I need to encode/decode URL and post data for my windows mobile application making a web request. Please, do you know, how to do it? M.

Hi, I'm trying to write a function that takes in a c-string, and remove all 'T' and 't' from the string. So here's what I have so far, but every time I try to compile it, it gives an empty character constant error. [CODE] void removeT(char* msg) { char* ptr; …

Hi, I need to make a program, which I think should be simple if you know what you are doing. You have an array of integers A(m, n) and B(m). Delete an element from A array, which index is in the B(m) array. Print original and modified arrays. I don't …

Hey, I have a program that it supposed to read two columns of data and then perform a calculation on them. The problem is reading the data in from the file. I have a function to count the lines, this works correctly. It returns it's value into a variable called …

Hi, I'm having trouble just printing particular strings out of a sentence. <h1>hi my name is</h1> if i just want the program to print out <h1> </h1> and ignoring the text in between, how would i do that? i have tried converting everything to ascii and printing within the range, …

In the following c code, the num_elements is gobal. But if i make it as local and return , it gives strange value just before return it becomes '0' ...can anybody explain why ? [code] int num_elements =0; //generates a psuedo-random integer between min and max int randint(int min, int …